Finding the Third Proportional to 50,706.70 and 78,824.81

Step by Step Solution

1. Step 1: Write the proportion equation
   50,706.70 : 78,824.81 = 78,824.81 : x
2. Step 2: Convert to fraction form
   50,706.70/78,824.81 = 78,824.81/x
3. Step 3: Cross multiply
   50,706.70x = 78,824.81 × 78,824.81
4. Step 4: Simplify right side
   50,706.70x = 6,213,351,065.66
5. Step 5: Solve for x
   x = 6,213,351,065.66/50,706.70
6. Step 6: Final answer
   x = 122,535.10